DR. M. ASHRAFUL KABIR. Tumbling Behaviour of Pigeons. Global Journal of Science Frontier Research, [S. l.], v. 12, n. C6, p. 17–20, 2012. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/468. Acesso em: 6 may. 2024.